1812L - 1812L Series - POLYFUSE® Lead-Free Surface Mount Resettable PPTC

Littelfuse_1812L

The 1812L series device provides surface mount overcurrent protection for applications where resettable protection is desired.

Features

  • RoHS compliant and lead-free
  • Fast response to fault currents
  • Compact design saves board space
  • Low resistance
  • Low-profile
  • Compatible with high temperature solders

Access specifications, certifications, check availability and order parts below

Catalog #CertificatesIHold (A)ITRIP
(A)
Max Volts
(V)
IMAX
(A)
PDMAX
(W)
RIL
(Ω)
R1max
(Ω)
Max
Time
To
Trip
(A)
Max
Time
to
Trip Time
(Sec)
SizeStockSamples
1812L010TUV_50119118iconUL_XGPU2icon0.10.3301000.81.6150.51.51812 (4532)CheckOrder
1812L014TUV_50119118iconUL_XGPU2icon0.140.3460100.81.561.50.151812 (4532)CheckOrder
1812L020TUV_50119118iconUL_XGPU2icon0.20.4301000.80.8580.021812 (4532)CheckOrder
1812L050TUV_50119118iconUL_XGPU2icon0.51151000.80.15180.151812 (4532)CheckOrder
1812L050/300.51301000.80.15180.151812 (4532)CheckOrder
1812L075TUV_50119118iconUL_XGPU2icon0.751.513.21000.80.10.4580.21812 (4532)CheckOrder
1812L075/24TUV_50119118iconUL_XGPU2icon0.751.5241000.80.110.2980.21812 (4532)CheckOrder
1812L075/33TUV_50119118iconUL_XGPU2icon0.751.5331000.80.110.480.21812 (4532)CheckOrder
1812L110TUV_50119118iconUL_XGPU2icon1.12.281000.80.040.2180.31812 (4532)CheckOrder
1812L110/16TUV_50119118iconUL_XGPU2icon1.11.95161000.80.060.1880.51812 (4532)CheckOrder
1812L110/24TUV_50119118icon1.11.9524200.80.060.280.51812 (4532)CheckOrder
1812L110/33TUV_50119118iconUL_XGPU2icon1.11.9533200.80.060.280.51812 (4532)CheckOrder
1812L125TUV_50119118iconUL_XGPU2icon1.252.5161000.80.050.1480.41812 (4532)CheckOrder
1812L125/161.252.5161000.80.050.1480.41812 (4532)CheckOrder
1812L125/6TUV_50119118icon1.252.561000.80.050.1480.41812 (4532)CheckOrder
1812L150TUV_50119118iconUL_XGPU2icon1.25381000.80.040.1180.31812 (4532)CheckOrder
1812L150/12TUV_50119118iconUL_XGPU2icon1.53121000.80.040.1180.51812 (4532)CheckOrder
1812L150/161.53161000.80.040.1180.51812 (4532)CheckOrder
1812L150/24TUV_50119118iconUL_XGPU2icon1.5324200.80.040.1281.51812 (4532)CheckOrder
1812L160TUV_50119118iconUL_XGPU2icon1.62.881000.80.030.1811812 (4532)CheckOrder
1812L160/12TUV_50119118iconUL_XGPU2icon1.62.8121000.80.030.1811812 (4532)CheckOrder
1812L160/8TUV_50119118iconUL_XGPU2icon1.62.881000.80.1811812 (4532)CheckOrder
1812L200TUV_50119118iconUL_XGPU2icon23.581000.80.020.06821812 (4532)CheckOrder
1812L200TH2481000.80.020.07821812 (4532)CheckOrder
1812L260TUV_50119118iconUL_XGPU2icon2.6561000.80.0150.04782.51812 (4532)CheckOrder
1812L260/122.65121000.80.0150.055851812 (4532)CheckOrder
1812L260TH2.6581000.80.0150.04782.51812 (4532)CheckOrder
1812L300TUV_50119118icon3561000.80.0120.04841812 (4532)CheckOrder

pdf icon Resettable PTC 1812L Datasheet

The 1812L Series PTC provides surface mount overcurrent protection for applications where resettable protection is desired...

ec606icon EC606 Protecting the Universal Serial Bus from Over Voltage and Overcurrent Threats

This application note addresses the various requirements for protecting the Universal Serial Bus (USB) from overcurrent and over voltage environmental threats.The solutions presented cover both USB 1.1 and the higher speed USB 2.0 circuitry.

ec611icon EC611 Circuit Protection for Lithium Ion and Lithium Polymer Rechargeable Battery Applications

This application note summarizes how the increased use of Lithium-Ion and Lithium Polymer battery packs in applications where user safety is critical, the implementation of secondary protection circuits will ensure an unsurpassed level of safety with minimal cost impact.

ec616icon EC616 Circuit Protection of USB 2 0

This application brief demonstrates how to ensure reliable and safe circuit operation of USB products, protection against voltage and current transients must be carefully considered. Due to the higher data rates of USB 2.0, attention to the electrical characteristics of protection solutions is required.

Littelfuse_Taiwan_Concord_ISO14001icon TaiwanConcord ISO 14001

Littelfuse_Taiwan_Concord_ISOTS16949icon TaiwanConcord ISOTS 16949